From 06d3cf11147a363cbc5d0c5487beadbfc1e03306 Mon Sep 17 00:00:00 2001
From: Gergő J. Miklós
Date: Thu, 15 Oct 2020 05:11:05 +0200
Subject: i2sensors: some comment & verbose

---
 src/main.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/src/main.c b/src/main.c
index 4a4b15d..26e79ba 100644
--- a/src/main.c
+++ b/src/main.c
@@ -79,12 +79,7 @@ void print_help(void) {
     printf ("Version:  v%1.2f,  build: [%s] (gcc %s) \n\n",VERSION,_BUILD_TIME_,__VERSION__);
 }
 
-/* 
-void bus_err(int ern){
-    printf("I2C communication(rd) error. errno: %d\n",errno);
-    //fprintf (stderr, "Internal error %d at %s, line %d. (function: %s/%s)\n", ern, __FILE__, __LINE__, __func__, __FUNCTION__);
-}
-*/
+
 
 __uint8_t   *xchg_data  (__uint8_t *buf, __uint16_t wrlen, __uint16_t waitlen, __uint16_t rdlen){                     //# [buf] = 32 byte         
 
@@ -150,17 +145,10 @@ int main( int argc, char *argv[] ){
         char filename[256];
         int i, file1;
         
-/*        for( i = 0;  i < strlen(argv[2]);  i++){                        //# Test on bus address, for error detection.
-            if(!isdigit(argv[2][i])){
-                printf("\n\tThe BUS Address must be an integer!\n\n");
-                exit(EXIT_FAILURE);
-            }
-        }
-*/
         snprintf(filename, 256, "/dev/i2c-%s", argv[2]);   
         devicef = open(filename, O_RDWR);                               //# Open the i2c bus     
         if (devicef < 0){
-            printf("\n\tCan't open i2c BUS. Have you any permission?\n\n");    
+            printf("\n\tCan't open \"%s\" BUS. (Have you any permission?)\n\n", filename);    
             exit(EXIT_FAILURE);
         }
 
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